Periodically perturbed chiral sculptured thin films

John A. Polo, Akhlesh Lakhtakia

Research output: Contribution to journalConference articlepeer-review


The piecewise homogeneity approximation is used to investigate the optical response of chiral sculptured thin films with perturbations in the angle of rise. Changes in the reflectances and transmittances of normally incident, circularly polarized light are calculated for both sinusoidal and step perturbations for a range of wavelengths, using experimentally determined material parameters. The feasibility of using a single manufacturing process to fabricate a normal dielectric mirror as well as a selective circular Bragg effect mirror is demonstrated.

Original languageEnglish (US)
Article number10
Pages (from-to)94-102
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - Dec 1 2004
EventNanomodeling - Denver, CO, United States
Duration: Aug 2 2004Aug 3 2004

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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